Before starting I must apologize for possibles errors in writing. My English is bad!

So... let's go started!

Step 1: Materials Needed:

- One piece of Aluminum or other material (Dimension ~ 11 x 2.5 x 0.5 cm)

- GoPro screw

- Dremel rotary tools or drill drive

- pen

Step 2: Making a Template and Reaming

Using the GoPro screw as a template, draw the border of screw on the piece of aluminum and reaming with the dremel.

well done!

Now just use!

;)